
* {
  margin: 0;
  padding: 0;
}

@font-face {
  font-family: "iconfont";
  src: url("../project-css/font/iconfont.eot");
  src: url("../project-css/font/iconfont.eot") format("embedded-opentype"),
    url("../project-css/font/iconfont.woff") format("woff"),
    url("../project-css/font/iconfont.ttf") format("truetype"),
    url("../project-css/font/iconfont.svg#iconfont") format("svg");
}

a {
  text-decoration: none;
}

a:link,
a:visited {
  color: #5e5e5e;
}

body {
  font-family: "微软雅黑";
  color: #14191e;
}

.main {
  width: 1200px;
  height: 460px;
  margin: 100px auto;
  position: relative;
  overflow: hidden;
}

.banner {
  width: 1200px;
  height: 460px;
  overflow: hidden;
  position: relative;
}

.banner-slide {
  width: 1200px;
  height: 460px;
  background-repeat: no-repeat;
  float: left;
  display: none;
}

.slide-active {
  display: block;
}

.slide1 {
  background-image: url(../../img/project-img/bg1.jpg);
}

.slide2 {
  background-image: url(../../img/project-img/bg2.jpg);
}

.slide3 {
  background-image: url(../../img/project-img/bg3.jpg);
}

.button {
  position: absolute;
  transform: rotate(180deg);
  top: 50%;
  left: 244px;
  height: 80px;
  width: 40px;
  margin-top: -40px;
  background: url(../../img/project-img/arrow.png) center center no-repeat;
}

.next {
  transform: rotate(0deg);
  left: auto;
  right: 0;
}

.button:hover {
  background-color: #333;
  opacity: 0.8;
  filter: alpha(opacity=80);
}

.dots {
  position: absolute;
  bottom: 24px;
  right: 0;
  text-align: right;
  padding-right: 24px;
  line-height: 12px;
}

.dots span {
  display: inline-block;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  margin-left: 8px;
  background-color: rgba(7, 17, 27, 0.4);
  cursor: pointer;
  box-shadow: 0 0 0 2px rgba(255, 255, 255, 0.8) inset;
}

.dots span.active {
  box-shadow: 0 0 0 2px rgba(7, 17, 27, 0.4) inset;
  background-color: #ffffff;
}

/* menu-box */
.menu-box {
  background: rgba(7, 17, 27, 0.5);
  opacity: 0.5;
  position: absolute;
  left: 0px;
  top: 0px;
  width: 244px;
  height: 460px;
  z-index: 1;
}

.menu-content {
  position: absolute;
  left: 0px;
  top: 0px;
  width: 244px;
  height: 460px;
  z-index: 2;
  padding-top: 6px;
}

.menu-item {
  height: 64px;
  line-height: 66px;
  font-size: 12px;
  cursor: pointer;
  padding: 0 24px;
  position: relative;
}

.menu-item a {
  display: block;
  color: #fff;
  padding: 0 8px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.2);
  height: 63px;
  font-size: 16px;
}

.menu-item:last-child a {
  border-bottom: none;
}

.menu-item i {
  position: absolute;
  right: 32px;
  top: 24px;
  color: rgba(255, 255, 255, 0.5);
  font-size: 24px;
  top: 2px;
  font-style: normal;
  font-weight: normal;
  font-family: "iconfont";
}

.sub-menu {
  border: 1px solid #d9dde1;
  background: #fff;
  position: absolute;
  left: 244px;
  top: 0px;
  width: 730px;
  height: 458px;
  z-index: 581;
  box-shadow: 0px 4px 8px 0px rgba(0, 0, 0, 0.1);
}

.hide {
  display: none;
}

.inner-box {
  width: 100%;
  height: 100%;
  background: url(../../img/project-img/fe.png) no-repeat;
  display: none;
}

.sub-inner-box {
  width: 652px;
  margin-left: 40px;
  overflow: hidden;
}

.title {
  color: #f01414;
  font-size: 16px;
  line-height: 16px;
  margin-top: 28px;
  font-weight: bold;
  margin-bottom: 30px;
}

.sub-row {
  margin-bottom: 25px;
}

.bold {
  font-weight: 700;
}

.mr10 {
  margin-right: 10px;
}

.ml10 {
  margin-left: 10px;
}